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Last modified
7/28/2009 2:28:07 PM
Creation date
10/1/2006 2:14:19 PM
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Template:
Weather Modification
Sponsor Name
Western Weather Consultants, LLC
Project Name
Cloud Seeding Analysis
Title
An Analysis of Regional Snotel and Ski Area Precipitation Data To Evaluate Precipitation Changes Resulting from Ten Seasons of Wintertime Cloud Seeding Operations over the Vail Ski Area
Prepared For
Vail/Beaver Creek Ski Areas
Prepared By
Western Weather Consultants, LLC
Date
3/1/2001
Weather Modification - Doc Type
Report
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<br /> Summary of Estimated Precipitation Changes by Wind Direction Category and Program Total <br /> For a Ten Year Seeding Program over the Vail Ski Area using Snotel Clhd Ski Area Data <br /> Total Total Non-Seed <br />Snotel Seeded Cat # 1 Cat # 2 Cat # 3 Cat # 4 Cat # 5 Cat # 6 Seasons 12m <br /># of Events (356) (66) (116) (95) (30) (38) (11) (1157) <br />Esti mates of <br />Change in +24.5% + 16.6% +34.9% +32.4% +2.3% +23.7% -25,6% + 15.6% +8.2% <br />Seeded Precip. <br />Adjusted est. Of +15.4% +8.0% +24.7% +22.3% -6.1% +14.4% -31.3% +7% 0% <br />Seeding (8.2%) <br />Ski Area <br /># of Events (255 of 311) (52) (73) (62) (25) (32) (11) <br />Estimates of <br />Change in +67% +15% +49% +51% +19% +69% +44% NjA <br />Seeded Precip. <br />(Raw Data) <br />Adjustment of <br />Change from +43% +16% +47% +53% +30% +64% +27% NIA <br />Extrapolated <br />Data <br />Adj. of Seeding <br />Effect from +31.3% +7.6% +36.9% +41.7% +19.8% +51.1 % +17.5% <br />Snotel data (8.2%) <br />Average Vail <br />Snow Density .074 ,077 .078 ,067 .073 ,070 .081 <br />" H20/" Snow <br />Average 5 Site .062 ,060 ,059 .060 ,069 .069 .065 <br />Snow Density <br />Vail Density 19% 17% 32% 12% 6% 1% 25% . <br />Avg 5 Site <br />Ilalla In 'Vo <br />
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